Excavating apparatus.



W. J. LEARY.

EXGAVATING APPARATUS.

l APPLIQATION FILED nu 22,1909. k.

l mi E E E S S T E E H am 5 n w. J. LBARY.

BXGAVATING APPARATUS.

APPLICATION FILED HAY 22,1909.

978,908. Patented 1390.20 1910.

5 SHEETS-SHEET 2.

W. J. LEARY.

EXCAVATING APPARATUS.

APPLICATION FILED MAY 22,1909.

978,908, Patented Dec. 20, 1910.

5 SHEETS-SHEET 3.

W. J. LEARY. EXCAVATING APPARATUS.

APPLICATION FILED MAY 22,1909.

Patented Dec. 20, 1910.

5 SHBETS-SHEET 4.

W. J. LEARY. EXGAVATING APPARATUS. uPLIoA'TIoN FILED un 22. 1909.

978,908.. Patented Dec. 2o, 1910.

en fineerinv o ierations.

v of the apparatus.`

-su pportet UN rrEi) STATES PATENT OFFICE.

WILLIAM J. LEARY, or NEW YORK, N. Y., AsSIGNoR 'ro W J.LEAEY'MANUFACTUBING Co., or JERSEY CITY, NEW JERSEY, A CORPORATION 0FNEW JERSEY.

EXIIIAVA'IINGvAPPARATUS.l i I a Specieationof Letters Patent.

diggii'igg, elevating, and conveying earth or a other material. and `isspecially designed -for excaratiiig-\\'ork in the construction ofeanale-i, reservoirs, railroad outa, and analogmuA The object oftheinvention primarily to provide means. movably supported at the sidesofthe areato be excavated and above such" area,v equippedwithyexca'vating niat-hinerv arranged to be operated in a,n vdirection'ai'ulto any depth ,within the .limits Another important objectis toro'ride take-up mechanism hy which the direction and. depth ofout-may be easily varied as required, and the material thuslooseneddetirered at either Side of the excavated area.

ftltlherf objects,l of the` invention include prorisi'ona `forsupporting 'thev excavating apparatus-with freedom to adjust itself autom at-tically to iiiequiilitieal of surface, ainl provfsions forinovinv the apparatus .as required inffollowng t 1e line of"eitc'avation,

The' aplparatus comprises parallel irder's va ted, V han ngitudnally ofthe gii'ders in )ace between them, with a lrota;- t'ahle frame orturntable mounted in each carriage, .in which suspended a Swinging frame carrying a vertically movable boom .-'alo'n'g which travels' anendless `chain of buckets adapted to'loosen and ele ate, the material tobereinoved and4 delivers auch material to a. moving circle of pans fromwhich-tlm n iaterial'v passes to longitudinally' 'at the sides of the'excavation.

ino. l.in'g' conveyeral lbjr-whichit.is deposited The.invention/consistsin certain novel :features of construction Iand arrangementbvwlnoh'tli'e above objects are attalned, to hehereinafterdescii'lxedland pointed out in the-chimie. `.lhe accom ian inf di'awins-forni a art- Y atthe ends:` oircars runninghon tracksnt each side ofthe 'area to exea -'in 'one ormore carriages mount ofY vthisspecification and show an approved. forni of the invention.

Figure l is a general side elevation. Fig. 2 is a corresponding planView. The sueceeding figures are on a larger scale. Fig. 3 is a sectiontaken transversely of the xizirdera and .showing the excavatingmechanism in side \'ie\1v, partly in Section. 'Figa 4 is a sectioirtakenlongitudii-ially of the girders and lshowing the excavatinr mechanismiii front view. Fig. 5 is a p an View of the saine parts, with certainportionsthrolren awa7 or omitted. Fig. is a :similar View at a lowerlevel. Fig. 7 is a Side elevation of one of the supporting cars,partly'in vertical' section and showing a portion of the girders in endview. FigrS is a plan. View of thecar. Fig.' itis a transverse sectionot the ca r, partly in end elevation, :ghowing a. portion of thegirdersi supported thereon. Fig. l() a vertical Section, partlvin eleeioiation Showing a portion of the chain of excavating lun-hete. Fig.11'!- is a side eleva-- tion Shon'iirLr n letz-til. Fig. lI-l is :Lvertical .wel ion on a larger scale throu h a portion oil-the lowerlati-in er ot one ov the girders, Showing the connection therewith ofthe car ringe and turntable.

Similar lotti-reni', reference indicate the :saine parts in all theliuros.

A A are uirflore` 'which may he understood to he of the usfnal latticeconetruction, long enough to reach aeroee the area to he ere cavated,set on edge parallel with each other remaining space between them, o enand un. obstructed. 0n the innerface o the bottom "Stringer (xt each 'isa track A* receiving Patented Dec. 20, 19M).v

titi

and strongly joined at their ends, with the" wheel or roller B3 inrolling contact with the outer face of'tlie'strnger, and B* B* aresimilar. arms at right angles to the tiret, carrying rollers B5v B5iii-contact with the inner face ofthe Stringer. The carria es than;mounted may be moved longitudinjly iits:

' buckets N1. alterna-tedwltlr-a serif'of all in the bottom ofeachcarriage, forming :with a horizontal circular flange 7 a rabbet rollersCin contact with the walLBT, free .te rotate in such channel andservingas an .jantifriction bearing for the -parts supgular'and cross ba'ces toinsure the required to be descri mounted in the/same frame; ltoand par-'-tiallyaround the wheels Maffin a vertical idlers )I4-mounted intheswingin .fra-me D.

of the 'g'ii'ders on the tracks A1, the arms and rollers serving tosteady the carriage and alsato hold the girders against spreading.I

B is an annular vertical llange or narrow.

oisangular annular channel in vwhich is mounted a ring C having verticalrollers C1 running on the flange B1 and horizontal'4 by the ring. Onthis ring is'fal deck s rounded by aframe C* extending yu wardly abovethe tops of the irders-an downwardl a considerable istance below thedeck 3,-'terminating'in curved ways C5; the rin and its framesthus'c'on'stitute a turn-v tab e rotatable horizontally in eachcarriage.

0n a transverse shaft C near .the upper end of the turntable frnmesissuspended a swinging frame D of triangular form having supportingguide-rollers DD1 on each side at the lower end, runnin on thecurvedlwa. s C'which are -concentric .lio the shaft C0571 e frame D thusmountedis ree''to vilodrsitei-nl the openingc. OnvvthelnnerfabesLof'the?framed)fona one inclined edge are'giide-ways D2 paral-v lelWithsuch edge, receiving a'boom F arranged to slide up and down thereinand comprising side-bars joined by suitable anlower end of each boom. onfeachI byeccentrics F mounted on a shaft-E? which both may 'be turned:simultaneously .to free the plates and .ermit'the latter to be tiltedrelatively toA t e boom as. ma he required inA ed, at the ds'irdganglfetfo' th material 'to be removedw f )n the shaft C fservfin the swingingframe Da wheelsv M engager-1v by p sprocket-chains N" c'a1'x""'ix 1ga Sl FJ ging fingers N? the chai ns leidend' from the wheels Y M to similarwhe.els =f M1A 'mounted on? overhung arms Cl-at the top'of the turn Atable, thence "downwardlyff over. id lers' M2@ immediately below thewheels' andthen. downwardly along the inner face ofthe I' boom-t "theWheels M5 on the shaft. F,-

shown in Fig. 3,-,and thel'conveye-rsjiaa thence across the lower end ofthe boom t'o the wheels M6 .on the shaft F4 and again upwardl 'alon theouter face of the boom to the w Ieels llycom letin'g' the circuit.

As seenl.- clearly in gti s. 1 and 4, the line of buckets Nilis movab ebetween the sidebars of the boom so: esito ass through'be- =tweenthefjsame; as seen' c early in 3, the

thus permittin" raisingl or lowerin o boomto vary t e dept of cut witlout interfering with the properl movement of the buckets or thedelivery of the' material de-l livered thereby. having a diametrlcalopening 'cf sur.

Material taken by the buckets 'N1 intheir traverse around and beloW 'theend of the dumped into an annular seriesof .pans E4 moving continuouslyonv the circular-'tracks E1 on thetop-of 'the carriage B 'and encir`cling theuPper-erd ofthe turntable frame in such relation'to tlie'latteras to receive material at any-portion "of thecircuih raised and lowered,eiitensding v over fixed pulleys H? at .theto'p'bf ythe swinging-1 frameD, and downward belo\v "a'rid aronndathe pulleys. IJI I 1a .andl thenceupward over -a 'SheaveHfinm 4 blank"'sl'is'pended :from a The'arrangement 'of theflsprqket Wheelsi i th e uppe'r ends tri-"providespace' therefor, 'ey

-mediafeiy below uae-pmt@ nppositesidsr-f to receivematerinldeposited'thereonebyithe" iso;

loosely connected to the links and the other free; at opposite pointsabove the conveyors A2 the tracks El are depressed to y.forni a loop E*and allow the unsupportedend of each pan in passing to drop sufficientlyto dump its load, and again be raised in traversing the ascendingportion of the loop t'o the horizontal position, as will be understood.f

At each end of the gir is a dei-rick frame K in which the Wheels K1 forthe i arms K"i held byf'icables K* by which t. ey.

endless conveyers are mounted, and the material collected may be drunpedat either end of each conveyer according to the direction in which the,convey/ers are moved', and the material thus ldelivered. may bereceived in suitable wagons. or cars for transportation, or, illustratedin Figs. 1 and 2, ma be deposited on endless chains of carriers ''f' tThe carriers K1" re shown as supporte o may be r: ised or lowered asrequired '01' swung Wit iin certain limits, to -deposit the materialalong each side f the excavation at suiiicient distance'to avoidinterference with the cars LHJMQ/ing the 'rders Each ca r is supported'on a pair of trucks L and is maden-p of I-bearns suitably joined andextending longitudinally resti on bolsters and connected to the trucks ykingpins as usual. At the center of the car is a plate LZ having arounded boss LZ match-A ing to a corresponding cavity in a plate Aattached to the cross beams )oining'the girders A and forming aspherlcalbearing su porting the girders with liberty to tllt.

slightly `in all directions. Beneath the girder-ends are springs Lmounted on the bols-ters. and the latter are rounded laterally, as shownin Fig i?. to allow the truck to rock slightly under them.

(hi the outer far-es of the girders above the cars l, area strong,lirackets or lugs A and behave their plane under faces are supportsl.""fsm'urel.v .seated on the ends of the cars. 'l'hus equipped thegirders may be held upright without regard tol inequalities androughness of traf-k roadbed usually encountered in this class of work.

.Power for driving the various moving parts may be derived from `anysource and applied in any convenient manner, electric motors maybeemployed it' ,current'be available. rl`he driving mechanism istherefore onl \v partially ihdicaled inthe drawings; the turutaljlc isrevolved byu vertical shaft l. and pinion P in mesh with a lixed annularrark Il on the carriage B; the vertical shaft lis'driven bybeveled-gears l" 1"-l and l on the inainshaft and shaft P respeta,tively isturned in one direction or-lhe other. 1

through clutches I I.

Another Ivertical shaft R driven by beveled gears R2 R2 on the mainshaft Cand shaft yR respectivelyY carries .a pinion "R1 in mesh `with anannular rack E* connected to the circle of pans E and drives thelatter.

T he swinging frame is moved and held by a cable S running on horizontalalleys S1 S1 atV the corners of the turntable rame C, attaehed totheswinging frame and making a number of turns about a drum Sonl a verticalshaft, S3 driven by beveled` gears S4 S* respectively-on said shaft S3.and on a countershaft- S? carrying a pulleys on which runs a belt S7from a pulley Ca on the main shaft.` A clutch S permits the pulley toengage the countershaft when the kswinging frame is to be moved.

A stationary engine I on the. tu-rntable- :may supply power for thesepurposes, and

engines Il Il at the-ends of the girders may supply` power for 'runningthe conveyers A2 andA carriers K2, and other purposes.

The cars L sup orting the entire apparatus are moved. a on y wheels L onthe ax es, driven b worms L7 on a shaft L having universal ]oints L toprovide fiexibility, and a. slide L10 in the midlen'gth' to permittelescoping for variatinns'in length as in traversing curves. The shaftsL8 may be driven eachindependently the tracks' by wormf from the engineI1 on the adjacent end of the girders or ,in any other convenientmanner.

Importance is attached to the construction of the excavating buckets Xland fingers N2 in their relation tol each other; the

`fingers are'arranged in transverse rows on bars N3 between each pair ofbuckets and serve to loosen the earth or other material to be moved Thengers'all' project beyond the line of the working edges of. the buckets.and the outermost fingers of each row are f greater length than thosebetween to insure a clear path for the sides of the succeeding bucket,thus tending to relieve the latter and the boom from torsional strains.

Atvthe extreme lower end; of the boom are rollers Fu serving to supportthe boom and 'facilitate its movements while inr Contact with. thesurface. p. i

On the outer side of each girder near the top and bottom are runways orwalks A? serving as decksor platforms for the attendants. and theirsupporting brackets and cross-bracingl greatly stiifen the girders.

Modifications may be made in the forms, proportions and various detailsof construction Ywithin wide limits Without de arting from theinvention, and parts may used without the Whole.

Although the apparatus'is shown and delioequipped with a turntable andboom, three or more ma be employed, or one alone used if preferre Thetwoare preferable in that the tw'o setsof pans E may deliver each to oneof the conveyer belts independently of the other. If more were installedthey would deliver to the same belts. v

Such portions of the apparatus as are not fully shown may be understoodtobe of any ordinary' or approved construction, and althoughtheinvention is described as applied to canal or analogous engineeringoperations it will be understood that it may be appliedto.ldred'ging,and to handling ores, coal or other` materials,. and inyother work to which it maybe adapted. .t I claimt-fv v j`1.-In anapparatus of thecharacter set forth, a pair of girders dis osedhorizontally chain and and parallelv and provi ed, Vwith bottomstringers, acarriage sup orted by the bottom stringers Arml- 'of sai,girders andmovable longitudinal y thereof in the space between them, aturn table in said carria e, a boom havingside bars, a conveyer o theucket type mounted on said boom, the buckets of which are movablebetweentheside bars ofsaid boom, cars movably supported on the turntable'on said carl tally Iand parallel to each ot er, a carriage.

riage, and a swinging frame in which saidv boom is mounted to slide,said frame being ca'ried by' and rotatable ywith "said turn ta le.

2. In an apparatus of the character set.

forth, a pair of girders dis osed horizon-y supported by said girdersand-arranged to move longitudinally .thereof in the s ace be tween them,a boom and a swinging rame in said carriage, 'said frame be'ing mountedon a horizontal axis on the marriage andthe boomrmounted to slide lonitudinally in said frame, an annular series o pans on said carriage andmeans for moving them, a series of conveyers mounted for movementlongitudinally of said girders beneath and tangentially to said seriesof dumping the contents of'said pans on said conveyors, and excavatingmeanscarriedY by said boom and arranged to deliver excavated A materialto said pans. A y

3. In any apparatus of the character set forth, a pair of horizontalparallel girders, a carriage supported by the lowerl stringers of saidgirders and arranged to move longitudinally thereof in the space betweenthem,

a V swinging frame mounted on a horizontal ans, means for .axis on saidcarriage, a boom" in said ci:d

riage and mounted to slide longitudinally 'iii said frame, an annularseries of pans on said carria e and means for moving them, a seriesofgconveyers arranged to move longitudinally of said girders beneath andtangentially to said series of pans, means for dumping the contents ofsaid pans on said convey ers, excavating means carried by said boom andarranged to 'deliver excavated material to said pans, an arm supportedby said girders, means for swinging said arm vertically, and 'a chain ofcarriers carried 'by said arm to which said conveyors, deliver itsmaterial.'r

4. In an""apparatusof the character described, a pair of horizontallydisposed pari allel girders having bottoni stringere, a carriagesupported by said bottom stringers only, aturn table on said carriage,`aswing ing frame suspended from said turn table,`

guideways on said frame, a boom mounted to slide u and down in said waysand having side ars, a conveyer of the chain and bucket type mounted onsaid boom with the buckets movable between said side bars, a series ofvpans movably mounted on'the top of said carriage, and means for dumpingthe contents of the pans.

5. In an apparatus of the character set forth, a

pair of g'irders disposed liorizontally and parallel and provided withlower stringers, a plurality/'rot carriages supported by thelower'stringers only of said girders and arranged to move longitudinallythoreof in the space between them, a turn-table mounted onv each of saidcarriages, a traine pivotally mounted on a horizontal axis en t saidturn-table, a boom mounted to slide longitudinally in said frame, anannular series of pans on each of said carriages, means 'for moving said4pans, two series of eonveyers arranged to move longitudinally of saidgirders beneath and tangential to said series of pans, means forduriipingl the contents of said pans on said series oli coiiveyers, andexcavating means carried by each osaid 'booms and arranged todeliver'exca'vated material each to its series ofvpans.

' In testimony .that I claim the invention above set forth I affix mysignature, in pi es ence of two witnesses.

.WILLIAM a. Lefties',

Witnesses ALEXANDER SHAW, CHARLES R. SEAnLn.

SUV

